1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57
|
// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/renderer_host/input/synthetic_smooth_drag_gesture.h"
namespace content {
SyntheticSmoothDragGesture::SyntheticSmoothDragGesture(
const SyntheticSmoothDragGestureParams& params)
: params_(params) {
}
SyntheticSmoothDragGesture::~SyntheticSmoothDragGesture() {
}
SyntheticGesture::Result SyntheticSmoothDragGesture::ForwardInputEvents(
const base::TimeTicks& timestamp,
SyntheticGestureTarget* target) {
if (!move_gesture_) {
if (!InitializeMoveGesture(params_.gesture_source_type, target))
return SyntheticGesture::GESTURE_SOURCE_TYPE_NOT_IMPLEMENTED;
}
return move_gesture_->ForwardInputEvents(timestamp, target);
}
SyntheticSmoothMoveGestureParams::InputType
SyntheticSmoothDragGesture::GetInputSourceType(
SyntheticGestureParams::GestureSourceType gesture_source_type) {
if (gesture_source_type == SyntheticGestureParams::MOUSE_INPUT)
return SyntheticSmoothMoveGestureParams::MOUSE_DRAG_INPUT;
else
return SyntheticSmoothMoveGestureParams::TOUCH_INPUT;
}
bool SyntheticSmoothDragGesture::InitializeMoveGesture(
SyntheticGestureParams::GestureSourceType gesture_type,
SyntheticGestureTarget* target) {
if (gesture_type == SyntheticGestureParams::DEFAULT_INPUT)
gesture_type = target->GetDefaultSyntheticGestureSourceType();
if (gesture_type == SyntheticGestureParams::TOUCH_INPUT ||
gesture_type == SyntheticGestureParams::MOUSE_INPUT) {
SyntheticSmoothMoveGestureParams move_params;
move_params.start_point = params_.start_point;
move_params.distances = params_.distances;
move_params.speed_in_pixels_s = params_.speed_in_pixels_s;
move_params.prevent_fling = true;
move_params.input_type = GetInputSourceType(gesture_type);
move_params.add_slop = false;
move_gesture_.reset(new SyntheticSmoothMoveGesture(move_params));
return true;
}
return false;
}
} // namespace content
|